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changeset 3953:f116008e2db3

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6502750 px driver must enable, disable, and redistribute its hotplug interrupt
author scarter
date Mon, 02 Apr 2007 18:37:19 -0700
parents e932b8e8ca41
children 01e658eeea5a
files usr/src/uts/sun4/io/px/px_ib.c usr/src/uts/sun4/io/px/px_lib.h usr/src/uts/sun4u/io/px/px_lib4u.c usr/src/uts/sun4v/io/px/px_lib4v.c
diffstat 4 files changed, 27 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/usr/src/uts/sun4/io/px/px_ib.c	Mon Apr 02 18:15:26 2007 -0700
+++ b/usr/src/uts/sun4/io/px/px_ib.c	Mon Apr 02 18:37:19 2007 -0700
@@ -305,6 +305,8 @@
 		px_ib_intr_dist_en(dip, intr_dist_cpuid(),
 		    px_p->px_inos[PX_INTR_PEC], B_FALSE);
 		mutex_exit(&ib_p->ib_intr_lock);
+
+		px_hp_intr_redist(px_p);
 	}
 
 	/* Redistribute device interrupts */
--- a/usr/src/uts/sun4/io/px/px_lib.h	Mon Apr 02 18:15:26 2007 -0700
+++ b/usr/src/uts/sun4/io/px/px_lib.h	Mon Apr 02 18:37:19 2007 -0700
@@ -206,6 +206,7 @@
  */
 extern int px_lib_hotplug_init(dev_info_t *dip, void *regops);
 extern void px_lib_hotplug_uninit(dev_info_t *dip);
+extern void px_hp_intr_redist(px_t *px_p);
 
 extern boolean_t px_lib_is_in_drain_state(px_t *px_p);
 extern pcie_req_id_t px_lib_get_bdf(px_t *px_p);
--- a/usr/src/uts/sun4u/io/px/px_lib4u.c	Mon Apr 02 18:15:26 2007 -0700
+++ b/usr/src/uts/sun4u/io/px/px_lib4u.c	Mon Apr 02 18:37:19 2007 -0700
@@ -2519,6 +2519,9 @@
 
 		VERIFY(add_ivintr(sysino, PX_PCIEHP_PIL,
 		    (intrfunc)px_hp_intr, (caddr_t)px_p, NULL, NULL) == 0);
+
+		px_ib_intr_enable(px_p, intr_dist_cpuid(),
+		    px_p->px_inos[PX_INTR_HOTPLUG]);
 	}
 
 	return (ret);
@@ -2542,10 +2545,25 @@
 			return;
 		}
 
+		px_ib_intr_disable(px_p->px_ib_p,
+		    px_p->px_inos[PX_INTR_HOTPLUG], IB_INTR_WAIT);
+
 		VERIFY(rem_ivintr(sysino, PX_PCIEHP_PIL) == 0);
 	}
 }
 
+/*
+ * px_hp_intr_redist() - sun4u only, HP interrupt redistribution
+ */
+void
+px_hp_intr_redist(px_t *px_p)
+{
+	if (px_p && (px_p->px_dev_caps & PX_HOTPLUG_CAPABLE)) {
+		px_ib_intr_dist_en(px_p->px_dip, intr_dist_cpuid(),
+		    px_p->px_inos[PX_INTR_HOTPLUG], B_FALSE);
+	}
+}
+
 boolean_t
 px_lib_is_in_drain_state(px_t *px_p)
 {
--- a/usr/src/uts/sun4v/io/px/px_lib4v.c	Mon Apr 02 18:15:26 2007 -0700
+++ b/usr/src/uts/sun4v/io/px/px_lib4v.c	Mon Apr 02 18:37:19 2007 -0700
@@ -1908,6 +1908,12 @@
 {
 }
 
+/*ARGSUSED*/
+void
+px_hp_intr_redist(px_t *px_p)
+{
+}
+
 /* Dummy cpr add callback */
 /*ARGSUSED*/
 void